Keystones — Bedrock
Five GCSE retrieval questions · 9 May 2025 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 39 + 67
Answer: 39 + 67 = 106 -
2. Algebra Substitution
If x = 8, find the value of 2x + 9
Answer: 25 -
3. Geometry Converting lengths
Convert 10cm to mm
Answer: 100mm -
4. Ratio Simplifying ratios
Simplify the ratio 16:32
Answer: 1:2 -
5. Statistics Mean
Find the mean of: 10, 4, 2, 6, 8
Answer: 6